20320083

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18973}}^1$

素因数の和:19003

約数の個数: 24

約数和(自身を含む): 35519328

約数和(自身を除く): 15199245

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18973, 56919, 132811, 170757, 322541, 398433, 967623, 1195299, 2257787, 2902869, 6773361, 20320083]

約数ペア:

[(1, 20320083), (3, 6773361), (7, 2902869), (9, 2257787), (17, 1195299), (21, 967623), (51, 398433), (63, 322541), (119, 170757), (153, 132811), (357, 56919), (1071, 18973)]